mine was doing this as well. Dealer ended up replacing the battery as the code the vehicle was giving as the reason the start/stop was defeated was "low main battery voltage". It has worked as designed ever since, plus the vehicle stays off WAYYYYY longer than it did when I first bought the vehicle.

There is a Topix bulletin recommending replacing the battery if the auto stop/start was not functional, so maybe a batch of suboptimal batteries is contributing to the problem. In fairness though I haven't had any issues with poor battery performance other than this.

Since last update (phase 4), I think it is not working properly. I remember that before phase 4, the car was constantly stopping... (in different modes, ECO, Comfort, with air ON and OFF), and now it looks like it never works.

Last month, I stopped using the car for a few days (5-6) because I was on holidays... and when I wanted to use it again (after a week), I had a warning message saying "low battery". Then I used it and the warning dissapeard. Since then... i have not received this warning anymore, but the auto stop/start looks like it is not working.

Can someone help? Should I report it to my dealer? What is the bulletin number?

My Auto Stop/Start works fine but when activated is causing the Hill Assist to become inoperable.

Apparently there is an issue with the Torque Converter within the gearbox. It loses power when you take your foot off the brake in order to activate the Auto Stop/Start function but results in the Hill Assist not working and the vehicle rolls backwards until the engine starts and pulls forward.

Mine has been in the garage three times over the last year for this fault. The first two times it was put down to Low battery yet they refused to admit that it was faulty under warranty. Each time it worked for a few days and then gave up. Last week the third visit resulted in a gate way software update and so far it has continued working. So maybe it is just a software issue?